53 lines
1.1 KiB
C
53 lines
1.1 KiB
C
#ifndef SOCKS_VM_H_
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#define SOCKS_VM_H_
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#include <stddef.h>
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#include <socks/types.h>
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#include <socks/status.h>
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typedef enum vm_zone_id {
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VM_ZONE_DMA = 1u,
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VM_ZONE_NORMAL = 2u,
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VM_ZONE_HIGHMEM = 3u,
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VM_ZONE_COUNT
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} vm_zone_id_t;
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typedef enum vm_memory_region_status {
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VM_REGION_FREE = 0x01u,
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VM_REGION_RESERVED = 0x02u,
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} vm_memory_region_status_t;
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typedef struct vm_zone_descriptor {
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vm_zone_id_t zd_id;
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phys_addr_t zd_base;
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phys_addr_t zd_limit;
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} vm_zone_descriptor_t;
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typedef struct vm_zone {
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unsigned z_reserved[32];
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} vm_zone_t;
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typedef struct vm_pg_data {
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vm_zone_t pg_zones[VM_ZONE_COUNT];
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} vm_pg_data_t;
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typedef struct vm_region {
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vm_memory_region_status_t r_status;
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phys_addr_t r_base;
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phys_addr_t r_limit;
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} vm_region_t;
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typedef enum vm_page_flags {
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VM_PAGE_RESERVED = 0x01u,
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} vm_page_flags_t;
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typedef struct vm_page {
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uint32_t p_flags; /* vm_page_flags_t bitfield */
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} __attribute__((packed)) vm_page_t;
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extern kern_status_t vm_bootstrap(const vm_region_t *mem_map, size_t nr_mem_map_entries);
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extern void vm_page_init(vm_page_t *pg);
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#endif
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